Home / 147,702,403.70-221,553,605.55-65,821,123.70

Finding the Fourth Proportional to 147,702,403.70, 221,553,605.55 and 65,821,123.70

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Solution

The fourth proportional to 147,702,403.70, 221,553,605.55 and 65,821,123.70 is: 98,731,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,702,403.70 : 221,553,605.55 = 65,821,123.70 : x
  2. Step 2: Convert to fraction form
    147,702,403.70/221,553,605.55 = 65,821,123.70/x
  3. Step 3: Cross multiply
    147,702,403.70x = 221,553,605.55 × 65,821,123.70
  4. Step 4: Simplify right side
    147,702,403.70x = 14,582,907,277,087,558
  5. Step 5: Solve for x
    x = 14,582,907,277,087,558/147,702,403.70
  6. Step 6: Final answer
    x = 98,731,685.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.